๐ท Photography
Image File Size Calculator
An uncompressed image is simply width times height times bits per channel times channels, which is why a 45 megapixel file is over a hundred megabytes. Real files are far smaller because JPEG compression discards detail the eye is unlikely to notice.
How it works
Image width
Image height
Bit depth per channel
Channels
File format
Memory card size
Megapixels
Uncompressed size
Estimated file size in your format
Photos on this card
Bits per pixel
Aspect ratio
Frequently asked questions
How do I use the Image File Size Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.